diff --git a/compute/providers/anthropic-claude.json b/compute/providers/anthropic-claude.json
index dde7860..8ff03dd 100644
--- a/compute/providers/anthropic-claude.json
+++ b/compute/providers/anthropic-claude.json
@@ -56,7 +56,13 @@
           "defaultEffort": "high"
         },
         "thinkingOnByDefault": true,
-        "thinkingOnly": true
+        "thinkingOnly": true,
+        "thinkingRoundTrip": {
+          "enabled": true,
+          "protocol": "anthropic-messages",
+          "allowEmptySignature": false,
+          "scope": "active-tool-turn"
+        }
       },
       "source": "preset"
     },
@@ -90,6 +96,12 @@
             "max"
           ],
           "defaultEffort": "xhigh"
+        },
+        "thinkingRoundTrip": {
+          "enabled": true,
+          "protocol": "anthropic-messages",
+          "allowEmptySignature": false,
+          "scope": "active-tool-turn"
         }
       },
       "source": "preset"
@@ -123,6 +135,12 @@
             "max"
           ],
           "defaultEffort": "xhigh"
+        },
+        "thinkingRoundTrip": {
+          "enabled": true,
+          "protocol": "anthropic-messages",
+          "allowEmptySignature": false,
+          "scope": "active-tool-turn"
         }
       },
       "source": "preset"
diff --git a/manifest.json b/manifest.json
index b911f49..6d45022 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,6 @@
 {
   "version": "1.0.0",
-  "presetDataVersion": 111,
-  "updatedAt": "2026-09-10",
+  "presetDataVersion": 112,
+  "updatedAt": "2026-09-12",
   "description": "DesireCore 官方配置中心"
 }